#region Copyright & License

//
// Author: Ian Davis <ian.f.davis@gmail.com>
// Copyright (c) 2007, Ian Davs
//
// Portions of this software were developed for NUnit.
// See NOTICE.txt for more information. 
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#endregion

using System;
using Ensurance.Constraints;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace Ensurance.Tests
{
    /// <summary>
    /// MessageCheckingTest is an abstract base for tests
    /// that check for an expected message in the exception
    /// handler.
    /// </summary>
    public abstract class MessageChecker : ConstraintBuilder
    {
        protected string expectedMessage;

        [TestInitialize]
        public void SetUp()
        {
            expectedMessage = null;
        }

        public void HandleException( Exception ex )
        {
            if ( expectedMessage != null )
            {
                Ensure.AreEqual( expectedMessage, ex.Message );
            }
        }
    }
}